<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
       span{
           width: 200px;
           height: 300px;
           background-color: red;
       }
       
    </style>
</head>
<body>
    <span>行内元素1</span>
    <span>行内元素2222222222</span>
    <span><strong>222</strong></span>
</body>
</html>